199519944

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{639487}}^1$

素因数の和:639509

約数の個数: 32

約数和(自身を含む): 537169920

約数和(自身を除く): 337649976

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 639487, 1278974, 1918461, 2557948, 3836922, 5115896, 7673844, 8313331, 15347688, 16626662, 24939993, 33253324, 49879986, 66506648, 99759972, 199519944]

約数ペア:

[(1, 199519944), (2, 99759972), (3, 66506648), (4, 49879986), (6, 33253324), (8, 24939993), (12, 16626662), (13, 15347688), (24, 8313331), (26, 7673844), (39, 5115896), (52, 3836922), (78, 2557948), (104, 1918461), (156, 1278974), (312, 639487)]